But many pollen grains can land on a stigma and germinate. So, how do plants ensure that each ovule is only penetrated by just one pollen tube? Using live cell microscopy along with special ...

the female reproductive structure of a flower. The pollen grain then germinates into a tube that guides the male reproductive cells to the depths of the ovary, picking up signals along the way that ...

Pollination is the first step of flowering plant reproduction: pollen moves from male flower parts to female flower parts, to fertilize the ovule and produce seeds.

The nucleus of the pollen grain passes through the pollen tube and joins with the egg cell inside an ovule in the ovary. Fruit comes from flowering plants, and it is grown in the following process ...